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2. Canadian Light Rail Vehicle - Wikipedia

   en.wikipedia.org/wiki/Canadian_Light_Rail_Vehicle

   Replacing the original Bochum wheels with SAB wheels (similar to PCC wheels) corrected these problems. The Bochum wheels had a rubber layer between the hub and the steel tire (rim), which would flex rather than pulling the opposite wheel through a single-point switch. [11] The CLRV electronics include 1970s-era solid state power controls.

3. Orders of magnitude (length) - Wikipedia

   en.wikipedia.org/wiki/Orders_of_magnitude_(length)

   An adult human foot is about 28 cm (11 in) long. The decimetre ( SI symbol: dm ) is a unit of length in the metric system equal to 10 −1 metres ( ⁠ 1 / 10 ⁠ m = 0.1 m ). To help compare different orders of magnitude , this section lists lengths between 10 centimeters and 100 centimeters (10 −1 meter and 1 meter).

4. Inch - Wikipedia

   en.wikipedia.org/wiki/Inch

   A fire hydrant marked as 3-inch. The inch (symbol: in or ″) is a unit of length in the British Imperial and the United States customary systems of measurement.It is equal to ⁠ 1 / 36 ⁠ yard or ⁠ 1 / 12 ⁠ of a foot.

5. List of British innovations and discoveries - Wikipedia

   en.wikipedia.org/wiki/List_of_British...

   Engineers during World War Two test a model of a Halifax bomber in a wind tunnel, an invention that dates back to 1871.. The following is a list and timeline of innovations as well as inventions and discoveries that involved British people or the United Kingdom including the predecessor states before the Treaty of Union in 1707, the Kingdom of England and the Kingdom of Scotland.

6. 99942 Apophis - Wikipedia

   en.wikipedia.org/wiki/99942_Apophis

   99942 Apophis (provisional designation 2004 MN 4) is a near-Earth asteroid and a potentially hazardous object, 450 metres (1,480 ft) by 170 metres (560 ft) in size, [3] that caused a brief period of concern in December 2004 when initial observations indicated a probability of 2.7% that it would hit Earth on Friday, April 13, 2029.

7. Intermodal freight transport - Wikipedia

   en.wikipedia.org/wiki/Intermodal_freight_transport

   highcube−40-by-8-foot (−12.2 m × 2.4 m) × 9-foot-6-inch (2.90 m). In countries where the railway loading gauge is sufficient, truck trailers are often carried by rail. Variations exist, including open-topped versions covered by a fabric curtain are used to transport larger loads.